湖南天雁: 湖南天雁机械股份有限公司外部信息报送和使用管理制度（2025年8月修订）

Group 1 - The company has established a management system for external information reporting and usage to regulate the behavior of departments, subsidiaries, directors, and senior management regarding the disclosure of information that may affect stock trading prices [1][2] - The information referred to includes periodic reports, temporary announcements, financial summaries, statistical data, and major matters requiring approval [1] - Directors and senior management have a confidentiality obligation during the preparation of periodic reports and planning of major matters, prohibiting any leakage of report contents before public disclosure [1][2] Group 2 - For statistical reports required by law, the reporting department must register the relevant personnel as insider information recipients and notify them of their confidentiality obligations [2] - Company leaders and publicity departments are prohibited from releasing major information to public media before it is disclosed to the designated media by regulatory authorities [2][3] - If any major information is leaked due to improper confidentiality by external parties, the company must report to the Shanghai Stock Exchange immediately [2][3] Group 3 - All departments and subsidiaries must strictly adhere to the provisions of this system and ensure external parties comply as well; violations leading to economic losses will result in legal claims for compensation [3] - The company will report to regulatory authorities and pursue legal action against those who trade securities based on undisclosed information [3] - The board of directors is responsible for revising and interpreting this system, which will take effect upon approval [4]